David I did find this...thought I would share it. Its pretty cool. I was Creative Illustrator & Techincal Illustrator for DIGITAL COMPUTER CO. in the 1980's and illustrated Exploded views of all the computer parts and how they go together for mostly Manuals and ran graphics part ART DIRECTOR for 3 magazines one full colour 2 black & white & Drafting... ublication number US3924360 A
Publication type Grant
Publication date Dec 9, 1975
Filing date Jun 8, 1973
Priority date Nov 4, 1971
Inventors Haile Paul C, Sellgren Arthur O
Original Assignee Haile Paul C, Sellgren Arthur O
Export Citation BiBTeX, EndNote, RefMan
Patent Citations (4), Referenced by (11), Classifications (6)
External Links: USPTO, USPTO Assignment, Espacenet
DESCRIPTION (OCR text may contain errors)
ilnited States Patent 1191 [11] 3,92 Haile et a1. 5] Dec. 9, 1975 KNIFE SHARPENER 2,437,495 3/1948 Anderson 51/221 R Inventors: Paul (I. Ha e 44 Ruffin Road, 3,654,823 4/1972 .Iuranltch 76/82 R 2-E, San Diego, Calif. 92123; FOREIGN PATENTS OR APPLICATIONS Arthur O. Sellgren, 8750 Mel 924,579 4/1963 United Kingdom 51/221 R Manor Drive, La Mesa, Calif. 92041 575,820 6/1944 United Kingdom 51/221 BS Filed Ju 8 1973 557,589 11/1943 United Kingdom 51/221 BS [21] Appl. No.: 368,336 Primary ExaminerHarrison L. Hinson Related U S Application Data Attorney, Agent, or FirmBrown & Martin [63] Continuation-impart of Ser. No. 195,598, Nov. 4,
1971, abandoned. [57] ABSTRACT A knife sharpener for holding a knife at a predeter- 52 us. c1. 51/221 BS; 76/82 R mined angle on a whetscne in which first and Second 51 Im. c1. B24B 19/00; B21K 5/12 members are pivetally interconnected with corre- [58] Field of Search... 51/218, 220, 221 R, 221 BS; spending first and Second surfaces for pp the 76/g2 82 BS knife blade. An adjustment screw is threadably coupled with the members. Each member has an outer [56] References Ci shoulder for determining the angle at which the blade UNlTED STATES PATENTS cutting edge will be maintained relative to the whet- 1,l52,321 8/1915 Kimball 76/82 R Stone durmg Sharpemng' 1,556,432 10/1925 Fleming 2 Claims, 3 Drawing Figures US. Patent Dec. 9 1975 3,924,360
7 INVENTORI) PAUL C. HAILE BY ARTHUR O. SELLGREN wm M KNIFE SHARPENER This is a continuation-in-part application of copending application Ser. No. 195,598, filed Nov. 4, 1971 by Paul C. Haile and Arthur 0. Sellgren for KNIFE SHARPENER now abandoned.
